Campagnolo Bottom Bracket Ultra Torque USB Bearings + Seals (2pcs) D4 BEAM SPIDER construction cuts weight

BEAM SPIDER construction cuts weight and boosts stiffness

Thanks to the total absence of cables

Material: Aluminum w/ machined finish

It tests to a life expectancy of more than 5X the carbon filled rubber or Buna-N materials used previously

Campagnolo Bottom Bracket Ultra Torque USB Bearings + Seals (2pcs) D4 BEAM SPIDER construction cuts weightUSB ceramic bearings for Campagnolo H11 and Record 11 speed Ultra Torque carbon cranksets. Outer diameter: 37 mm Inner diameter: 25 mm Thickness: 6 mm Ultra Smooth Bearings (USB) Extremely smooth running and reliability have always been the hallmarks of Campagnolo hubs and wheels. In order to offer ambitious road bike enthusiasts the best of the best, the Campy Tech Lab has devoted itself to the development of the USB ceramic bearings with an almost